# -*- Mode: Python; tab-width: 4 -*-
#
#	Author: Sam Rushing <rushing@nightmare.com>
#	Copyright 1996-2000 by Sam Rushing
#						 All Rights Reserved.
#

RCS_ID =  '$Id: redirecting_handler.py,v 1.7 2001/04/16 03:44:44 rushing Exp $'

import re
import counter

class redirecting_handler:

	def __init__ (self, pattern, redirect, regex_flag=re.IGNORECASE):
		self.pattern = pattern
		self.redirect = redirect
		self.patreg = re.compile (pattern, regex_flag)
		self.hits = counter.counter()

	def match (self, request):
		m = self.patref.match (request.uri)
		return (m and (m.end() == len(request.uri)))
			
	def handle_request (self, request):
		self.hits.increment()
		m = self.patreg.match (request.uri)
		part = m.group(1)

		request['Location'] = self.redirect % part
		request.error (302) # moved temporarily

	def __repr__ (self):
		return '<Redirecting Handler at %08x [%s => %s]>' % (
			id(self),
			repr(self.pattern),
			repr(self.redirect)
			)

	def status (self):
		import producers
		return producers.simple_producer (
			'<li> Redirecting Handler %s => %s <b>Hits</b>: %s' % (
				self.pattern, self.redirect, self.hits
				)
			)
